<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:wo="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:include schemaLocation="WQX_SimpleContent_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_ReferenceMethod_v2.0.xsd" />
  <xsd:annotation>
    <xsd:documentation>
  	        Schema Name  : WQX_SamplePreparation_v2.0.xsd
  	        Description   : Describes a sample preparation procedure which may be conducted on an initial Sample or on subsequent subsamples.
  	        Developed by  : EPA Office of Water
  	        Point of Contact : Dwane Young
		</xsd:documentation>
  </xsd:annotation>
  <xsd:complexType name="SamplePreparationDataType">
    <xsd:sequence>
      <xsd:element ref="wo:SamplePreparationMethod" />
      <xsd:element ref="wo:SampleContainerTypeName" />
      <xsd:element ref="wo:SampleContainerColorName" />
      <xsd:element minOccurs="0" ref="wo:ChemicalPreservativeUsedName" />
      <xsd:element minOccurs="0" ref="wo:ThermalPreservativeUsedName" />
      <xsd:element ref="wo:SampleTransportStorageDescription" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:element name="SamplePreparationMethod" type="wo:ReferenceMethodDataType">
    <xsd:annotation>
      <xsd:documentation>Identifying information about the method(s) followed to prepare a sample for analysis.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="SamplePreparation" type="wo:SamplePreparationDataType">
    <xsd:annotation>
      <xsd:documentation>Describes a sample preparation procedure which may be conducted on an initial Sample or on subsequent subsamples.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
</xsd:schema>